package main

import "fmt"

func main() {
	var sl = []int{11, 22, 33, 44, 55}
	for i, v := range sl {
		fmt.Printf("%d,%d\n", i, v)
	}

	for _, v := range sl {
		fmt.Println(v)
	}

	for i := range sl {
		fmt.Println(i)
	}
}
